Effects of nasal dilator strips on subjective measures of sleep in subjects with chronic nocturnal nasal congestion: a randomized, placebo-controlled trial

Autor: Eric J. Schenkel, Renee Ciesla, Gilbert Marava Shanga
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Allergy, Asthma & Clinical Immunology, Vol 14, Iss 1, Pp 1-13 (2018)
Druh dokumentu: article
ISSN: 1710-1492
DOI: 10.1186/s13223-018-0258-5
Popis: Abstract Background This exploratory study investigated effects of a new asymmetric butterfly-shaped prototype nasal dilator strip and the currently marketed clear Breathe Right Nasal Strip (BRNS) on subjective measures of nasal congestion and sleep quality. Methods In this randomized, double-blind study, subjects with chronic nasal congestion and sleep difficulties were assigned a BRNS clear strip, an asymmetric butterfly prototype, or an asymmetric butterfly placebo strip without springs, to use nightly for 2 weeks. The main outcomes included change from baseline to days 7 and 14 on the Pittsburgh Insomnia Rating Scale (PIRS), Nocturnal Rhinoconjunctivitis Quality of Life Questionnaire (NRQLQ), and Congestion Quantifier Seven-Item Test (CQ7). Results The intent-to-treat population included 59 subjects. The butterfly and BRNS strips showed significant (P
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